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docs/features/checked/web/dead-letter-queue-management-ui.md

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+# Dead-Letter Queue Management UI
+
+## Module
+Web
+
+## Status
+VERIFIED
+
+## Description
+Dead-letter queue browser with message inspection, replay workflows (single/batch/all), error diagnostics panel, and bulk actions for queue management.
+
+## Implementation Details
+- **Feature directory**: `src/Web/StellaOps.Web/src/app/features/deadletter/`
+- **Routes**: `deadletter.routes.ts`
+- **Components**:
+  - `deadletter-dashboard` (`src/Web/StellaOps.Web/src/app/features/deadletter/deadletter-dashboard.component.ts`)
+  - `deadletter-entry-detail` (`src/Web/StellaOps.Web/src/app/features/deadletter/deadletter-entry-detail.component.ts`)
+  - `deadletter-queue` (`src/Web/StellaOps.Web/src/app/features/deadletter/deadletter-queue.component.ts`)
+- **Source**: SPRINT_20251229_030_FE_deadletter_management_ui
+
+## E2E Test Plan
+- **Setup**:
+  - [ ] Log in with a user that has appropriate permissions
+  - [ ] Navigate to `/ops/orchestrator/dead-letter`
+  - [ ] Ensure test data exists (scanned artifacts, SBOM data, or seed data as needed)
+- **Core verification**:
+  - [ ] Verify the list/table loads with paginated data
+  - [ ] Verify sorting and filtering controls work correctly
+  - [ ] Verify clicking a row navigates to the detail view
+- **Edge cases**:
+  - [ ] Verify graceful handling when backend API is unavailable (error state)
+  - [ ] Verify responsive layout at different viewport sizes
+  - [ ] Verify accessibility (keyboard navigation, screen reader labels, ARIA attributes)
+
+## Verification
+- Date: 2026-02-10
+- Run artifacts: docs/qa/feature-checks/runs/web/dead-letter-queue-management-ui/run-001/
+- Tier results:
+  - tier0-source-check.json: pass
+  - tier1-build-check.json: pass
+  - tier2-e2e-check.json: pass
+